Name: CVE-2020-10957: NULL Pointer Dereference
Creator: Rapid7
Published: 2020-05-18T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2020-10957, CWE-476, CVSS 7.5, EPSS 0.10653

In Dovecot before 2.3.10.1, unauthenticated sending of malformed parameters to a NOOP command causes a NULL Pointer Dereference and crash in submission-login, submission, or lmtp.

CVSS Details

CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade dovecot	Jun 16, 2020	May 18, 2020
Arch Linux	—	Upgrade to the latest version of Arch Linux	Jul 11, 2025	May 18, 2020
Centos_linux	—	Upgrade dovecotUpgrade dovecot-mysqlUpgrade dovecot-debuginfoUpgrade dovecot-debugsourceUpgrade dovecot-mysql-debuginfoUpgrade dovecot-pigeonhole-debuginfoUpgrade dovecot-pigeonholeUpgrade dovecot-pgsql-debuginfoUpgrade dovecot-pgsql	Jul 16, 2020	May 18, 2020
Debian	—	Upgrade dovecot	May 22, 2020	May 18, 2020
Freebsd	—	Upgrade dovecot	May 19, 2020	May 18, 2020
Huawei Euleros 2_0_sp8	—	Upgrade dovecot-pigeonholeUpgrade dovecotUpgrade dovecot-mysql	Aug 31, 2020	May 18, 2020
Oracle_linux	—	Upgrade dovecot-develUpgrade dovecot-mysqlUpgrade dovecot-pigeonholeUpgrade dovecot-pgsqlUpgrade dovecot	Jul 22, 2020	May 18, 2020
Redhat_linux	—	Upgrade dovecot-mysql-debuginfoUpgrade dovecot-pgsqlUpgrade dovecot-develUpgrade dovecot-mysqlUpgrade dovecot-debugsourceUpgrade dovecot-pigeonholeUpgrade dovecot-pgsql-debuginfoUpgrade dovecotUpgrade dovecot-debuginfoUpgrade dovecot-pigeonhole-debuginfo	Jul 16, 2020	May 18, 2020
Suse	—	Upgrade dovecot23-backend-mysqlUpgrade dovecot23-fts-solrUpgrade dovecot23-develUpgrade dovecot23-ftsUpgrade dovecot23-fts-luceneUpgrade dovecot23-backend-sqliteUpgrade dovecot23-backend-pgsqlUpgrade dovecot23Upgrade dovecot23-fts-squat	May 23, 2020	May 18, 2020
Ubuntu	—	Upgrade dovecot-core	May 19, 2020	May 18, 2020

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CVSS Details

Covered by Rapid7

Prioritize with Active Threat Intelligence